-60.55% is the change from 867 to 342
Calculation steps:
[( 342 - 867 ) ÷ 867] x 100 = -60.55%
Formula
Percentage change = [(342 - 867) / 867] x 100
Subtract the new number by the original number
342 - 867 = -525
-525 ÷ 867 = -0.6055363321799307
-0.6055363321799307 x 100 = -60.55%